Two circles with center O and P intersects each other in point C and D. Chord AB of the circle with center O touches the circle with center P in point E. Prove that: ∠ADE + ∠BCE = 180°
In △BAC, Angle BAC= 90°, segment AD, seg BE and seg CF are medians. Prove: 2(AD²+BE²+CF²)=3BC²
Comments
Post a Comment